‘Ninjas,’ other surprises crop up in CrossFit trademark case

Discussions of throat-slitting ninjas aren’t commonplace in federal court, but such is the nature of a trademark infringement suit in U.S. District Court in Boston that has taken a number of bizarre turns.
The case began ordinarily enough. The CrossFit exercise company sued Donny Mustapha and his Chelmsford Sports Club in June for offering “CrossFit style ...